# Keep warm vs Syncker

The clearest difference is review sentiment: Keep warm at 33% against Syncker's 17%. Keep warm also leads on device support (3 vs 1) and iOS requirement (11.0 vs 16.0). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Keep warm ships an update weekly, Syncker every 10 days. Both last shipped on June 1, 2026.

## The numbers

| Metric | Keep warm | Syncker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.9 (14 ratings)](https://appshunter.io/ios/app/keep-warm/id6449612773/reviews)** | — |
| Number of ratings | **14** | — |
| Positive reviews | **33.3% of reviews** | 16.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 10 days |
| Monetization | Free | Free |
| Size | 2 MB | 86 MB |
| Requires iOS | **11.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Mijia Investment Co.,Ltd](https://appshunter.io/developer/1570759215) | [Shenzhen Xuntu Technology Co., Ltd](https://appshunter.io/developer/1773922226) |

## What reviewers say

### Keep warm

[App page](https://appshunter.io/ios/app/keep-warm/id6449612773)

Control the heating temperature of your smart socks via Bluetooth from your smartphone. This app allows for seamless pairing and temperature adjustment, enhancing your comfort and quality of life.

**Highlights:** Bluetooth pairing, Temperature control, Smart life integration, Improved comfort

**Features:** macOS Compatibility

**In-app purchases:** none


### Syncker

[App page](https://appshunter.io/ios/app/syncker/id6621268771)

This smart home app helps you easily connect and control various heating devices like electric blankets and gloves. Enjoy a convenient and intelligent warm experience anytime, anywhere.

**Highlights:** Automatic device search and matching, Control electric blankets, Control heated gloves, Control heated socks, Convenient smart home experience, Enjoy warmth anytime, anywhere

**Features:** macOS Compatibility, Siri integration, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Keep warm free?

Keep warm is free to download, with no in-app purchases.

### Is Syncker free?

Syncker is free to download, with no in-app purchases.

### Do Keep warm or Syncker have ads?

Neither Keep warm nor Syncker shows ads.

### Which is updated more often, Keep warm or Syncker?

Keep warm ships an update weekly, and Syncker every 10 days. Most recently, Keep warm was updated on June 1, 2026 and Syncker on June 1, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*